Fastening device for restraining strap anchoring system



FIG. 1 is a top-front-right side perspective view of a fastening device for restraining strap anchoring system, showing my new design;

FIG. 2 is a bottom-back-right side perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a front view thereof, the back view being identical thereto; and,

FIG. 5 is a right side view thereof, the left side view being identical thereto. 

CLAIM The ornamental design for a fastening device for restraining strap anchoring system, as shown and described. 